Methods for collecting benthic invertebrate samples as part of the National Water-Quality Assessment Program
By: by Thomas F. Cuffney, Martin E. Gurtz, and Michael R. Meador.
Contributors: Gurtz, Martin E.; Meador, Michael Rogers, 1958-; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 93-406.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1993
Place of publication: Raleigh, N.C; Denver, CO
Language: eng
Number of pages: 66
Subjects: National Water-Quality Assessment Program (U.S.); Water quality -- United States.; Benthos -- United States.; Freshwater ecology -- United States.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 94-0791-M.

Includes bibliographical references (p. 62-66).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1994] 1 microfiche : negative.